An association between clomiphene citrate and ectopic pregnancy: a preliminary report.

@article{Marchbanks1985AnAB,
  title={An association between clomiphene citrate and ectopic pregnancy: a preliminary report.},
  author={Polly A. Marchbanks and Carolyn B Coulam and John F. Annegers},
  journal={Fertility and sterility},
  year={1985},
  volume={44 2},
  pages={268-70}
}
Preliminary results of a case-control study suggest that CC or factors closely associated with CC therapy (or both) may increase the risk of ectopic pregnancy. It is hoped that these results will stimulate further research for more explicit evaluation of the role of CC and LPD in the etiology of ectopic pregnancy.